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-rw-r--r--libraries/base/Control/Concurrent/Chan.hs2
1 files changed, 0 insertions, 2 deletions
diff --git a/libraries/base/Control/Concurrent/Chan.hs b/libraries/base/Control/Concurrent/Chan.hs
index ca4c17cffb..0efc1728e0 100644
--- a/libraries/base/Control/Concurrent/Chan.hs
+++ b/libraries/base/Control/Concurrent/Chan.hs
@@ -1,8 +1,6 @@
{-# LANGUAGE Trustworthy #-}
{-# LANGUAGE CPP #-}
-#ifdef __GLASGOW_HASKELL__
{-# LANGUAGE DeriveDataTypeable, StandaloneDeriving #-}
-#endif
-----------------------------------------------------------------------------
-- |